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Finding the Fourth Proportional to 26,791.41, 40,188.80 and 7,069.99

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Solution

The fourth proportional to 26,791.41, 40,188.80 and 7,069.99 is: 10,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,791.41 : 40,188.80 = 7,069.99 : x
  2. Step 2: Convert to fraction form
    26,791.41/40,188.80 = 7,069.99/x
  3. Step 3: Cross multiply
    26,791.41x = 40,188.80 × 7,069.99
  4. Step 4: Simplify right side
    26,791.41x = 284,134,414.11
  5. Step 5: Solve for x
    x = 284,134,414.11/26,791.41
  6. Step 6: Final answer
    x = 10,605.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.